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89 Cards in this Set
- Front
- Back
infection is transmitted through 6 links:
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pathogen: disease causing microorganism
reservoir: person, animal, enviroment portal of exit: saliva, feces transmission: direct or indirect portal of entry: penetration of skin, inhalation, injestion new host: next infected person |
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physical and chemical barriers of defense system
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skin, mucous membranes, respitory tract
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what attacks an infection
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neutrophils
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what are "big eaters"
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macrophages
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what do lymphocytes do
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create a reserve memory of T & B cells
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types of lymphocytes
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t & b cells
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T cells have
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helper, killer, supressor
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what do neutrophils and macrophages do
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draw to area of infection and attack
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what does a histamine do
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released by special cells in infected area
dilation of blood vessels heat redness swelling |
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how many people are infected with an STD a day?
age range? |
700,000
16-24 year olds |
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all STD pathogens like
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dark, warm moist surfaces
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types of STDs
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bacterial, viral, others
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Bacterial STDs
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Gonorrhea Chlamydia Syphillis
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viral STDs
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herpes virus
HPV HIV/AIDS |
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other STDs
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pubic lice: crabs
scabies candidasis-fungus (yeast inf.) |
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prevention and protection agaisnt stds
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abstinence: best and only 100% way to prevent
communication w/ partner condoms multiple forms vaccinations: HPV 9-26 year olds |
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Risk factors for STDs
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feelings of invulnerability
multiple partners (4+) failure to use condoms substance abuse lack of knowledge |
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signs and symptoms of gonorrhea
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men: cloudy discharge from penis, burning urination
women: green or yellowish dishcharge, painful urination 80% of women are asymptomatic |
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complications of gonorrhea
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men: inflamtion of scrotal skin, swelling at base, urinary obstruction, sterility caused by blocked vas deferens
women: painful abcess in bartholins glands in vagina can cause infection and blindness in babies leading cause of sterilty in women can cause PID |
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treatment of gonnorhea
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detected by urine test or swab
cured w/ antibiotics ppl often have chlamydia at same time |
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signs of chlamydia
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most prevelant bacterial STD is U.S.
mostly asymptomatic men: discharge from penis runny white painful urination women: abnormal vaginal discharge pain during sex |
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complications of chlamydia
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men: swollen and tender testicles (epiditimysis)
infertitlity women: PID can be passed to babies easy to pass |
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treatment of chlamydia
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detected by urine test
cured w/ antibiotics |
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what is pelvic inflammatory disease
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most common complication from STD
chlamydia, gonorrhea pass through tract to infect uterus and fallopian tubes risk increased w/ IUD and HIV vaginal discharge, ab pain, bleeding |
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complications of PID
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infertitlity: 15-24% w/ 1 case
caused by ghon/chlam 7X higher risk of ectopic pregnancy can lead to chrnoic pelvic pain |
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complications of syphillis
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insanity
impotencty blindess, death paralysis |
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treatment of syph
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detected by blood test
cured w/ antibiotics and condom use |
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how many phases of syph
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4
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first stage of syph
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primary phase: 3weeks to 90 days painless sores, wet ulcers swollen glands
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2nd stage of syph
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secondary phase: 3-6 weeks up to 2 years
body rash, mild fever, fatigue, sore throat (flu symp) hair loss |
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3rd sttage of syph
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latent phase: goes into hiding
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4th stage of syph
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late tertiary phase: damage to organs, CNS, CVD, and death
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type of herpes that causes cold sores
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HSV 1
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sypmtoms of herpes
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headache, swollen lymph nodes, fever, muscle aches, difficult urnation
numerous painful lesions on penis, vagina, buttocks 90% have no symptoms can pass even when no symp. are present |
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treatment of herpes
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detected by culture of lesion or blood test
treatment of symp. w/ antiviral medication no cure 45 million have been diagnosed |
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50-80% of adults in U.S. have antibodies to
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HSV1 (cold sores) have been exposed
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treatment of crab louse
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permethrin/lindane
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transmission of scabies
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highly contagious skin to skin contact
incubation 2-4 weeks rash w/ itching |
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what is candidiasis
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yeast infection (fungus)
external dysuria urine burns infected skin cottage cheese itchy and redness same pathogen that causes thrush of mouth |
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how to support immune system
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nutrition
exercise rest moderation of lifestyle controlling stress |
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what is HIV
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human immunodeficiency virus
chronic progressive viral infection that damages immune syst. |
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what is AIDS
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A: aquired
I: immune affects immune syst D: deficiency S: syndrome |
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requirements for HIV transmission
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HIV must be present
sufficient quantity : concetration must get into bloodstream: open cut or sore mucous membrane |
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transmission from 1 person to another HIV
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blood including menstral
semen vaginal secretion breast milk pre seminal fluid and clear lubrication |
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primary target of HIV
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CD-4 Tcells (white blood cells that help coordinate activity of immune syst.)
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what happens when HIV enters body
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hiv attacks immune syst.
takes over CD-4 Tcells monocytes, and macrophages CD4 Tcells drop: syptoms arise drop to 200 have full blown AIDs |
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how long after exposure does it take to be diagnosed w/ HIV
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about 3 - 6 months
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stages of HIV
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primary infection phase: flu like syp. most infectuous period, asymp. most test are negative
chronic asymptomatic phase: last 2-20 years (av. 11) virus infects and destroys immune syst mostly symp. free and higly contagious |
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testing for HIV
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elisa tool: usually 1st
ora quick testing: results 99.6% accurate takes 20-30 min western blot assay: confirmatory test only performed if elisa is + indirect immunoflorensce assay: can be used to confirm faster results but not as reliable and cheaper |
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what is love
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one of the most basic and profound human emotions powerful in all relationships
doesn't give perfect happiness but gives life meaning |
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what is the love triangle
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intimacy: warmth & closeness w/ one with love
passion: romance, attraction sexuality committment: shotr term decision that you love someone longterm: to be in the relationship |
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challenges in relationships
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unequal or premature comittment
unrealistic expectations competitiveness balance of time jealousy |
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characteristics of successful relationships
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communications, verbal, listening, feedback, etc.
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types of communication of men
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competitive talk more listen less
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communication of women
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establish friendships, seeking advice, obtaining cues from listening and eye contact
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types of relationships
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singlehood, hetero/homo, marriage
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divorce rates
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50-55% b/c change of?
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process of divorce
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emotional separation
physical sep. greatest stress event next to death of family memeber |
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recovery from divorce
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1-3 yrs.
75% remarriage |
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parenting syyles
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demanding: giving orders and expect obidience clear set of boundaries
responsiveness: warm, lovign supportive and considerate of needs encourage creativity permissive/indulgent: low demand/high responsiveness uninvolved: low demands/low responsiveness |
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what is authoritarian
" " authoritative |
high demand/low responsiveness
high demand/ high " " |
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6 qualities of strong families
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committment
appreciation communication time together spiritual wellness coping w/ stress and crisis |
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female sex organs external
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genitals (vulva)
mons pubis labia majoria labia minor prepuce clitoris urethral opening vagina |
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female sex organs internal
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cervix
uterus endometrium ovaries fallopian tubes hymen |
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male sex organs
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penis, glans
foreskin corpus spongiosum scrotum: function keep temp. @ 93.6 testes seminiferous tubules withing testes epiditimis: where sperm is stored vas deferins semial vesicle |
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what happens during puberty
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reproductive syst. matures
secondary sex characteristics develop male and female body changes occurs due to changes in hormone levels |
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4 phases of menstrual cycle
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menses
estrongonic phase ovulation progestational phase |
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4 stages of sexual response cycle
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excitment phase: penis and clitoris bcome engorged w/ blood
plateau phase: more engorged/lubrication orgasmic phase: climax resolution phase: reverse of excitement |
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what is refractory period
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time before men can be re excited
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egg and sperm each carry____ chromosones
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23
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what is infertitlity
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inability to conceive after 1 year
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signs of pregnancy
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missed period
slight bleeding nausea fatigue increased urination breast tenderness |
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how long does a trimester last
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13 weeks
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what happens durign 2nd trimester
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weight gain
begin to look pregnant change in sense of well being |
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what happens in 3rd trimester
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hardest of the 3
breathe, digest, excrete and circulate for 2 braxton hicks contractions |
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fetal development during 1st trimester
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blastocyst
inner cells divide into 3 layers one layer: internal body parts middle: muscle, blood, bone, kidneys and sex glands outer: becomes placenta, umbilical cord, amniotic sac end of 2nd week: embryo all major body structures formed by 2nd motnh: fetus |
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fetal dev. 2nd trimester
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fetus grows to about 14 inches and 1.5 lbs.
movement 4-5+ |
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fetal devel. 3rd trimester
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fetus gains protective fat layers
respitory and digestive organs develop |
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importance of prenatal care
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nutritious diet
exercise rest size and proportion of uterus 250-500 extra calories each day |
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how long is entire process of labor
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2-36 hrs.
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characteristics of 1st stage of labor
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13 hrs.
continues unti cervix is fully dilated hormonal changes contractions last 30 sec. and occur ever 15 to 20 min. amniotic sac may rupture transition is last part of 1st phase |
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2nd stage of labor
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baby slowly pushed into birth canal
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4 types of contraceptives
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barrier methods
hormonal methods natural methods surgical methods |
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barrier methods prescription required
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diaphragm: covers cervix use w/ spermicide
cervical cap: |
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non prescriptive barriers
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male condom
female condom sponge: |
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hormonal methods
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birth control pill
contraceptive patch contraceptive ring injectable shot emergency contraceptivev (plan b) IUD: 5-10 yrs. |
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natural methods
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abstinence
fertitlity awareness method (FAM) 2 FAM methods: calendar temp method withdrawal |
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surgical methods
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vasectomy
hysterectomy tubal sterilization |
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can sponge be used multiple tiems
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NO
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